2 + 2 = 4
A is A
By the essence and nature of existence, contradictions cannot exist.
If contradictions exist in your mind, check your premises. You will find that one of them is wrong.
Happiness is possible only to a rational man, the man who desires nothing but rational goals, seeks nothing but rational values and finds his joy in nothing buy rational actions.
Thanksgiving is a symbol of the fact that abundant consumption is the result and reward of production.
Civilization is the process of setting man free from men.
Men have been taught that it is a virtue to agree with others. But the creator is the man who disagrees.
Men have been taught that it is a virtue to swim with the current. But the creator is the man who goes against the current.
Men have been taught that it is a virtue to stand together. But the creator is the man who stands alone.
Albert Einstein - Insanity: doing the same thing over and over again and expecting different results.
Wealth is the product of man's capacity to think.